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SI-3003KWD Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. SI-3003KWD
Description  1A, Low-Dropout, Dual Output, 1.8V & 2.5V Regulator
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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SI-3003KWD Datasheet(HTML) 3 Page - Allegro MicroSystems

   
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SI-3003KWD
1 A, Low-Dropout,
Dual Output,
1.8 V & 2.5 V Regulator
www.allegromicro.com
Linear
Regulators
3
ELECTRICAL CHARACTERISTICS at T
A = +25°C, VE = 2 V (unless otherwise noted).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Channel 1
Output Voltage
V
O1
V
I = 3.3 V, IO1 = 10 mA
2.450
2.500 2.550
V
V
O1(off)
V
E = 0 V
0.5
V
Output Volt. Temp. Coeff.
a
VO1
0°C
≤ T
J ≤ 100°C
±0.3
mV/°C
Output Short-Circuit Current
I
OM1
V
I = 3.3 V, See note
1.2
A
Line Regulation
∆V
O(
∆VI)1
V
I = 3.2 V ~ 5.0 V, IO1 = 10 mA
20
mV
Load Regulation
∆V
O(
∆IO)1
V
I = 3.3 V, IO1 = 0 A ~ 1.0 A
30
mV
Dropout Voltage
V
Imin - VO1
I
O1 = 1.0 A
0.6
V
Ripple Rejection Ratio
PSRR
V
I = 3.3 V, 100 Hz ≤ f ≤ 120 Hz
60
dB
Channel 2
Output Voltage
V
O2
V
I = 3.3 V, IO2 = 10 mA
1.764
1.800 1.836
V
V
O2(off)
V
E = 0 V
0.5
V
Output Volt. Temp. Coeff.
a
VO2
0°C
≤ T
J ≤ 100°C
±0.3
mV/°C
Output Short-Circuit Current
I
OM2
V
I = 3.3 V, See note
1.2
A
Line Regulation
∆V
O(
∆VI)2
V
I = 3.2 V ~ 5.0 V, IO2 = 10 mA
20
mV
Load Regulation
∆V
O(
∆IO)2
V
I = 3.3 V, IO2 = 0 A ~ 1.0 A
30
mV
Dropout Voltage
V
Imin - VO2
I
O2 = 1.0 A
0.6
V
Ripple Rejection Ratio
PSRR
V
I = 3.3 V, 100 Hz ≤ f ≤ 120 Hz
60
dB
Logic
Ground Terminal Current
I
GND
V
I = 3.3 V, IO = 0 mA, VE = 2.0 V
1.0
1.5
mA
V
I = 3.3 V, VE = 0 V
0.5
mA
Enable Input Voltage
V
EH
Output ON
2.0
V
V
EL
Output OFF
0.8
V
Enable Input Current
I
EH
V
E = 2.7 V
0
5.0
µA
I
EL
V
E = 0.4 V
-12
-100
µA
Thermal Shutdown
T
J
I
O = 10 mA
135
150
°C
Typical values are given for circuit design information only.
Note: Output short-circuit current is at point where output voltage has decreased 5%.


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